YS/T 281.19-2011Methods for chemical analysis of cobalt. Part 19: Determination of calcium, magnesium manganese, iron, cadmium, zinc content. Inductively coupled plasma atomic emission spectrometry (English PDF)

Foreword

YS/T 281 "cobalt chemical analysis method" is divided into the following 20 parts.

Part 1. Determination of iron content - Sulfosalicylic acid spectrophotometric method Part 2. Determination of aluminum content - Chromazu S spectrophotometric method Part 3. Determination of silicon content - Molybdenum blue spectrophotometric method Part 4. Determination of arsenic content - Molybdenum blue spectrophotometric method - Part 5. Determination of phosphorus content - Molybdenum blue spectrophotometric method Part 6. Determination of magnesium content - Flame atomic absorption spectrometric method - Part 7. Determination of zinc content - Flame atomic absorption spectrometric method Part 8. Determination of cadmium content - Flame atomic absorption spectrometric method Part 9. Determination of lead content - Flame atomic absorption spectrometric method Part 10. Determination of nickel content - Flame atomic absorption spectrometric method - Part 11. Determination of copper and manganese - Flame atomic absorption spectrometric method - Part 12. Determination of arsenic, antimony, bismuth, tin and lead - Electrothermal atomic absorption spectrometry - Part 13. Determination of sulfur content - High frequency induction furnace combustion infrared absorption method - Part 14. Determination of carbon content - High frequency induction furnace combustion infrared absorption method - Part 15. Determination of arsenic, antimony and bismuth - Hydride generation - atomic fluorescence spectrometry - Part 16. Determination of the amount of arsenic, cadmium, copper, zinc, lead, bismuth, tin, antimony, silicon, manganese, iron, nickel, aluminum and magnesium.

Spectrum method

- Part 17. Determination of aluminum, manganese, nickel, copper, zinc, cadmium, tin, antimony, lead and bismuth inductively coupled plasma mass spectrometry - Part 18. Determination of sodium content - Flame atomic absorption spectrometric method - Part 19. Determination of calcium, magnesium, manganese, iron, cadmium and zinc - Inductively coupled plasma emission spectrometric method - Part 20. Determination of the amount of oxygen - Infrared absorption method this section is part 19 of YS/T 281.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

This part of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243) proposed and centralized.

This standard is responsible for drafting units. Jinchuan Group Co., Ltd., Beijing Mining and Metallurgy Research Institute.

This part is responsible for drafting units. Beijing Nonferrous Metals Research Institute, Shenzhen Green US High-tech Co., Ltd.

This part participates in the drafting unit. Beijing Mining and Metallurgy Research Institute, Jinchuan Group Co., Ltd., Jiangsu Kailike Cobalt Industry Co., Ltd., Yingde Jia Na Metal Technology Co., Ltd.

This part of the main drafters. Li Na, Zhang Xiang, Liu Ying, Xu Kaihua, Tong Jian, Yan pear, Feng Xianjin, Meng Dejun, Lv Qingcheng, Wu Yigen, Wu Chi-Luo Yueying.

Cobalt chemical analysis method Part 19. determination of calcium, magnesium, manganese, iron, cadmium and zinc Inductively Coupled Plasma Atomic Emission Spectrometry WARNING. Personnel using this standard should have experience working in a regular laboratory. This standard does not indicate all possible security issues. Make it is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set forth in the relevant national regulations.

1 Scope

This part of YS/T 281 specifies the determination of calcium, magnesium, manganese, iron, cadmium and zinc in cobalt.

This part is applicable to the determination of calcium, magnesium, manganese, iron, cadmium and zinc in cobalt. The measurement range is shown in Table 1.

Table 1 Determination of each element

Element determination range w /% Ca 0.001 to 0.05 Mg 0.001 to 0.05 Mn 0.001 to 0.2 Fe 0.003 to 0.7 Cd 0.001 ~ 0.05 Zn 0.001 to 0.05

2 Method summary

The samples were dissolved in dilute nitric acid and the inductively coupled plasma emission spectrometer was used to measure calcium, magnesium, manganese, iron, cadmium, the spectral intensity of zinc is calculated according to the matrix matching working curve method.

3 Reagent

If no special instructions, the reagents used for the analysis of pure reagents, preparation and analysis of water are secondary distilled water or considerable purity of the experiment Room water.

3.1 metal cobalt (wCo >= 99.98%, impurity calcium, magnesium, manganese, iron, cadmium, zinc content of less than 0.0001%).

3.2 nitric acid (rho = 1.42g/mL), excellent grade pure.

3.3 hydrochloric acid (rho = 1.19g/mL), excellent grade pure.

3.4 hydrogen peroxide (rho = 1.11g/mL), excellent grade pure.

3.5 nitric acid (1 1).

3.6 Hydrochloric acid (1 1).

3.7 Calcium standard storage solution. Weigh 2.4971g of calcium carbonate (pre-dried at 105 °C ~ 110 °C constant weight, and cooled to room temperature), set